发明名称 EXPANDABLE MANDREL FOR USE IN FRICTION STIR WELDING
摘要 A mandrel that provides a counter-force to the pressure exerted on the outside of a pipe or other arcuate surface by a friction stir welding tool, wherein the mandrel is expandable through the use of a wedge, and wherein the mandrel enables multiple friction stir welding heads to simultaneously perform welding on the arcuate surface.
申请公布号 WO2006044215(A9) 申请公布日期 2006.07.27
申请号 WO2005US35901 申请日期 2005.10.05
申请人 SMITH INTERNATIONAL, INC.;ADVANCED METAL PRODUCTS, INC.;PACKER, SCOTT, M.;BABB, JONATHAN, A.;STEEL, RUSSELL, J.;RUSSELL, MONTE 发明人 PACKER, SCOTT, M.;BABB, JONATHAN, A.;STEEL, RUSSELL, J.;RUSSELL, MONTE
分类号 B23K20/12 主分类号 B23K20/12
代理机构 代理人
主权项
地址